To consciously and frequently check your pockets for your handheld when you realize you can't feel it or the weight of it in your pocket. PSPs', DSs', cellphones, iPods, etc.
Accompanied with this is Chronic handheld check panic where upon checking the pocket where it was thought to be, but not there one will then tense and begin to rapidly pat down all pockets.
It is the worst sin ever to be made. If you do this you will go straight to hell. Don't even try to hold the hand of another sex before marrying them. In case you accidentally do this, you must marry the person you committed this sin with or must kill yourself
bo: Hey did you hear that Josh and Libby were practicing Premarital handholding
go: Hell naw, that bitch must die in the underworld